polish: clean up warnings

packages/core/src/component.rs

@@ -29,7 +29,7 @@ use crate::innerlude::{Context, DomTree, LazyNodes, FC};
 /// You want to use this free-function when your fragment needs a key and simply returning multiple nodes from rsx! won't cut it.
 ///
 #[allow(non_upper_case_globals, non_snake_case)]
-pub fn Fragment<'a>(cx: Context<'a>, props: &'a ()) -> DomTree<'a> {
+pub fn Fragment<'a>(cx: Context<'a>, _: &'a ()) -> DomTree<'a> {
     cx.render(LazyNodes::new(|f| f.fragment_from_iter(cx.children())))
 }
 
@@ -91,9 +91,7 @@ impl Properties for () {
 pub struct EmptyBuilder;
 impl EmptyBuilder {
     #[inline]
-    pub fn build(self) -> () {
-        ()
-    }
+    pub fn build(self) {}
 }
 
 /// This utility function launches the builder method so rsx! and html! macros can use the typed-builder pattern